<template>
  <div class="grand-child">
    <h3>我是孙组件</h3>
    <h4>银子：{{ money }}</h4>
    <h4>车子：一辆{{ car.brand }}车，价值{{ car.price }}万元</h4>
    <button @click="updateMoney(6)">花爷爷的钱</button>
  </div>
</template>

<script setup lang="ts" name="GrandChild">
import { inject } from "vue";

let { money, updateMoney } = inject("moneyContext", {
  money: 0,
  updateMoney: (param: number) => {},
});
let car = inject("car", { brand: "未知", price: 0 }); //通过默认值暗示推断
</script>

<style scoped>
.grand-child {
  background-color: orange;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px black;
}
</style>
